oxybutynin in English dictionary oxybutynin Meanings and definitions of "oxybutynin" noun An anticholinergic medication used to relieve urinary and bladder difficulties. more Grammar and declension of oxybutynin oxybutynin (uncountable) more Sample sentences with "oxybutynin" Declension Stem Try again Available translations Arabic Dutch Finnish French German Hungarian Italian Japanese Norwegian Nynorsk Persian Polish Portuguese Russian Serbian Serbo Croatian Spanish Welsh Authors